Boiler-seam protector.



J. J. GAGE.

BOILER S'EAM PROTECTOR.

APPLICATION FILED MAY 25. I916.

Patented A pr. 24, 19W.

2 SHEETS-SHEET I.

GHQ: Help l. J. GAGE.

BOILER SEAM PROTECTOR.

APPLICATION FILED MAY 25, HB- 1,223,781 a Patented Apr. 24, 19l 7..

2 SHEETS-SHEET 2.

WHM Qw J- 0? 0 m airmmuga UNKTED @TATES PATENT @FFTQE JOSEPH J'. GAGE,OF DAYTON, OHIO, ASSIGNOR OF ONE-FOURTH T0 HENRY IVIAGKEY AND ONE-FOURTHTO ISAIAH HARNISH, BOTH OF DAYTON, OHIO.

BOILER-SEAM PROTECTOR.

Application filed. May 25, 1916.

To all whom it may concern:

Be it known that I, JOSEPH J. GAGE, a citizen of the United States,residing at Dayton, in the county of Montgomery and State of Ohio, haveinvented certain new and useful Improvements in Boiler-Seam Protectors;and I do declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

My invention relates to improvements in means for protecting the seamsof boilers against the excessive heat within the firebox.

The main object of the invention is to provide simple yet eflicientmeans whereby the protecting covering may be secured in place withoutforming screw or bolt holes through the boiler.

A further object is 'to improve generally upon the construction ofprotectors of the class described to such an extent as to render themsimple and inexpensive, yet highly efficient and durable.

With the foregoing general objects in view, the invention resides incertain novel features of construction hereinafter fully described andclaimed the descriptive matter being supplemented by the accompanyingdrawings which constitute a part of this application and in which:

Figure 1 is a vertical section through a boiler showing the applicationof the improved protector to the outer surface thereof;

Fig. 2 is an enlarged sectional view through the seam and protectorshown in Fig. l;

Fig. 3 is a vertical transverse section on the plane of the line 33 ofFig. 2;

Fig. 4 is a sectional view similar to Fig. 2 but showing the applicationof the pro- 'tector to the inner surface of a boiler;

Fig. 5 is a perspective view of one of the anchoring members; and

Fig. 6 is a similar view of one of the supporting members.

In specifically describing the construction shown in the drawings abovebriefly described, similar characters will be employed to designatecorresponding parts throughout the several views and reference will beherein made to the numerous elements by their respective indices. Tothis Specification of Letters Patent.

Patented Apr. 24, 1917.

Serial No. 99,814.

end the numerals 1 designate the overlapping ends of two sections of aboiler, such ends being secured together by the usual rivets 2 whoseheads 3 project beyond the inner and outer surfaces of the boiler. Ifthe inner heads of the rivets are subjected to intense heat and thusprone to be injured, the improved seam protecting means to be describedwill be applied over said heads, but if the outer heads of the rivetsare so disposed as to be subjected to injury from the heat, said meanswill be applied on the exterior of the seam. In either case the heads ofthe rivets at suitable intervals will be provided with grooves 4 toreceive therein projecting ribs 5 on the opposed sides of anchoringmembers 6 which are shown in the present embodiment of the invention asbeing in the form of nuts, said nuts being forced or wedged betweencertain of the rivet heads as shown clearly in Figs. 2 and 4t.

Attaching members 7 in the form of semicylindrical blocks of anypreferred material are disposed beneath the grooved rivet heads and areformed with longitudinal channels 8 receiving said heads as well as theaforesaid nuts 6, bolts 9 being passed through the member 7 and threadedinto the aforesaid nuts. As shown clearly in Figs. 2, 8 and a, the headsof the bolts 9 are countersunk in sockets 10, this construction beingpreferable in most forms of the invention although in some types thereofthe bolt heads might be permitted to protrude.

A protecting covering of refractory material is secured in place by themembers 7, said covering consisting of a plurality of channel-shapedsections 11 disposed end to end and having a detachable interlockingengagement with the aforesaid members. In the present form of theinvention the interlocking means is shown in the form of internal ribs12 on the sections 11 and external grooves 13 formed in opposed sides ofthe members 7. It is to be understood, however, that any suitableconnecting means might well be employed for securing the covering to thelast named members, and in fact, within the scope of the invention, saidcovering might well be secured directly to the anchor members 6.

From the foregoing it will be obvious that I have provided extremelysimple means of securing a protecting covering to the exposed seams ofboilers and that the. improved arrangement will be highly efficient anddurable regardless of its simplicity. Particular emphasis is laid uponthe fact that it is unnecessary to puncture the boiler to permitapplication of the improved features of construction thereto, this beinga salient feature of the invention since it permits the covering to besecured in place much more easily than is possible when bolt or screwholes must be drilled or punched through the boiler.

The invention is adapted primarily for use upon the girth seams ofboilers, which seams are exposed to the intense heat from the fire-boxbut it is to be understood that if found desirable it may be employed onany other style of seam. Furthermore, although a number of specificdetails of construction have been shown and described for illustrativepurposes, numerous changes may be made within the scope of the inventionas claimed without sacrificing the main advantages thereof.

I claim 1. A boiler seam protector comprising a plurality of anchormembers adapted to be supported by the projecting rivet heads at theseam or seams of the boiler, a refractory seam covering, and means forsecuring said cov-.

ering to said anchor members.

2. A boiler seam protector comprising a plurality of anchor membersadapted to be supported by the projecting rivet heads at the seam orseams of a boiler, said members having ribs for interlocking engagementwith grooves formed in said heads, a refractory seam covering, and meansfor securing said covering to said anchor members.

3. A boiler seam protector comprising a plurality of anchor membersadapted to be forced between the projecting rivet heads at the seam orseams of a boiler, said members having outstanding ribs on opposed sidesfor reception in grooves. formed in said heads, a refractory seamcovering, and means for securing said covering to said anchor members.

4. A boiler seam protector comprising a plurality of anchor membersadapted to be supported at intervals by the projecting rivet heads atthe seam or seams of the boiler, supporting members adapted to besecured to said anchor members and provided with anchoring means, and arefractory seam covering consisting of a number of sections disposed endto end and having anchoring means for interlocking detachable engagementwith said anchoring means on said supporting members.

5. The combination with the projecting rivet heads at the seam of aboiler, of a plurality of anchor members supported by said heads, and arefractory seam covering supported by said anchor members.

6. The combination with the projecting rivet heads at the seam of aboiler, said heads having grooves formed in their sides, of a pluralityof anchor members having ribs received in said grooves, and a refractoryseam covering, supported by said anchor members.

7. The combination with the projecting rivet heads at the seam of aboiler, said heads having grooves formed in adjacent faces, of aplurality of anchor members interposed between said heads and havingoutstanding ribs received in the aforesaid grooves, and a refractoryseam covering, supported by said anchor members.

8. The combination with the outstanding rivet heads at the seam of aboiler, said heads having grooves in'adjacent faces, of a plurality ofanchor members interposed between said heads and having outstanding ribsreceived in said grooves, supporting members having grooves receivingsaid heads and anchor members, means for securing said supportingmembers to said anchor members, and a channel-shaped refractoryprotector covering said supporting members and formed of a number ofsections disposed end to end, said sections having interlockingdetachable connections with the supporting members.

9. A protector for riveted boiler seams comprising a refractory coveringfor the seam, and means for supporting said covering from the rivetheads of said seam.

10. The combination with a riveted boiler seam, of a refractory coveringfor said seam supported by the rivet heads thereof.

In testimony whereof I have hereunto set my hand in the presence of twosubscribing witnesses.

JOSEPH J. GAGE.

Witnesses:

SAMUEL'B. R-IcKETTs, PHILO G. BURNHAM.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

